5. MongoDB MCP Server

The MongoDB MCP Server lets your Agent connect to a MongoDB database and perform read and write operations.

This MCP is useful for:

• Querying MongoDB databases

• Storing and retrieving data during conversations

• Managing structured data in document format

Configuration parameters

Parameter	Required	Description
connection_string	Yes	MongoDB connection URI. Format: mongodb://user:password@host:port/database or mongodb+srv://....
database_name	No	Name of the database to use. If not set, use the one included in the connection string.

Custom parameters

• timeout: maximum time to complete an operation (ms)

• maxPoolSize: maximum number of simultaneous connections in the pool

• minPoolSize: minimum number of always-active connections

• retryWrites: automatically retry failed writes

• readPreference: which node to read data from (primary/secondary/nearest)

• maxIdleTimeMS: maximum idle time before closing a connection (ms)

• serverSelectionTimeoutMS: maximum time to find an available server (ms)

{
  "timeout": 30000,
  "maxPoolSize": 10,
  "minPoolSize": 2,
  "retryWrites": true,
  "readPreference": "primary",
  "maxIdleTimeMS": 60000,
  "serverSelectionTimeoutMS": 30000
}

How to get the parameters

1. After registering, create a cluster (choose the M0 Free plan)

2. Click "Connect" on your cluster

3. Choose "Connect your application"

4. Select Driver: Node.js or Python

5. Copy the Connection String:

   mongodb+srv://<username>:<password>@cluster0.xxxxx.mongodb.net/

6. Replace <password> with your database user's password

7. Database Name: choose one (e.g., test_db, aisuru)